85315690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 166509432

約数和(自身を除く): 81193742

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 170, 265, 289, 530, 557, 578, 901, 1114, 1445, 1802, 2785, 2890, 4505, 5570, 9010, 9469, 15317, 18938, 29521, 30634, 47345, 59042, 76585, 94690, 147605, 153170, 160973, 295210, 321946, 501857, 804865, 1003714, 1609730, 2509285, 5018570, 8531569, 17063138, 42657845, 85315690]

約数ペア:

[(1, 85315690), (2, 42657845), (5, 17063138), (10, 8531569), (17, 5018570), (34, 2509285), (53, 1609730), (85, 1003714), (106, 804865), (170, 501857), (265, 321946), (289, 295210), (530, 160973), (557, 153170), (578, 147605), (901, 94690), (1114, 76585), (1445, 59042), (1802, 47345), (2785, 30634), (2890, 29521), (4505, 18938), (5570, 15317), (9010, 9469)]